Home / 130,487.01-195,805.77-70,515.62

Finding the Fourth Proportional to 130,487.01, 195,805.77 and 70,515.62

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Solution

The fourth proportional to 130,487.01, 195,805.77 and 70,515.62 is: 105,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,487.01 : 195,805.77 = 70,515.62 : x
  2. Step 2: Convert to fraction form
    130,487.01/195,805.77 = 70,515.62/x
  3. Step 3: Cross multiply
    130,487.01x = 195,805.77 × 70,515.62
  4. Step 4: Simplify right side
    130,487.01x = 13,807,365,271.13
  5. Step 5: Solve for x
    x = 13,807,365,271.13/130,487.01
  6. Step 6: Final answer
    x = 105,814.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.